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【单选题】
使用SQL语句完成“将所有学生的年龄增加1岁”,正确的操作是( )
A.
update 学生 set 年龄=年龄+1
B.
update 学生 add 年龄+1
C.
update 学生 set 年龄=1
D.
update 学生 set add 1
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参考答案：
举一反三
【单选题】组歌《冬之旅》一共有()首歌曲组成。
A.
18
B.
19
C.
22
D.
24
查看完整题目与答案
【单选题】The most important buffer pair to maintain relatively constant plasma pH is
A.
Na2HPO4 / NaH2 PO4
B.
NaHCO3 / H2CO3
C.
K2HPO4 / KH2PO4
D.
KHCO3 / H2CO3
查看完整题目与答案
【单选题】Which is the most important Buffer system of the plasma
A.
Na2HPO4/NaH2PO4
B.
NaHCO3/H2CO3
C.
Pro-Na/Pro
D.
KHCO3/H2CO3
查看完整题目与答案
【单选题】Among blood buffer systems, which one is the most important buffer system?
A.
HHb/Hb-
B.
HPr/Pr-
C.
H2CO3/HCO3-
D.
H2PO4/HPO42-
查看完整题目与答案
【单选题】The most important transcendentalist in the 19th century America is
A.
Thoreau.
B.
Emerson.
C.
Hawthorne.
D.
Whitman.
查看完整题目与答案
【单选题】The most important thing you can do for a family member or friend who is depressed is to help him or her get an appropriate diagnosis and treatment. This may involve encouraging him or her to stay wit...
A.
How to Help a Depressed Lover.
B.
Where You Can Get Help to Help a Depressed Lover.
C.
The Most Important Things You Can Do to Help a Mental Illness Patient.
D.
Financial and Emotional Support for Depressed Lover.
查看完整题目与答案
【判断题】人民主权是指国家中所有人拥有国家的最高权力。
A.
正确
B.
错误
查看完整题目与答案
【多选题】The most important substances provided by pentose phosphate pathway are
A.
Glucose
B.
6-phosphoglucose
C.
5-phosphoribose
D.
NADPH ＋ H ＋
查看完整题目与答案
【单选题】In ancient times the most important examinations were spoken, not written. In the schools of ancient Greece and Rome, testing usually consisted of saying poetry aloud or giving speeches. In the Europe...
A.
took objective tests
B.
were timed by electric clocks
C.
specialized in one subject
D.
never wrote exams
查看完整题目与答案
【单选题】以下不能在Python编译环境中正确执行的表达式是：
A.
a={1,2,3,(4,5,6)}
B.
a={1,2,3,[4,5,6]}
C.
a=[1,2,3,(4,5,6)]
D.
a=(1,2,3,[4,5,6])
查看完整题目与答案
相关题目：
【单选题】组歌《冬之旅》一共有()首歌曲组成。
A.
18
B.
19
C.
22
D.
24
查看完整题目与答案
【单选题】The most important buffer pair to maintain relatively constant plasma pH is
A.
Na2HPO4 / NaH2 PO4
B.
NaHCO3 / H2CO3
C.
K2HPO4 / KH2PO4
D.
KHCO3 / H2CO3
查看完整题目与答案
【单选题】Which is the most important Buffer system of the plasma
A.
Na2HPO4/NaH2PO4
B.
NaHCO3/H2CO3
C.
Pro-Na/Pro
D.
KHCO3/H2CO3
查看完整题目与答案
【单选题】Among blood buffer systems, which one is the most important buffer system?
A.
HHb/Hb-
B.
HPr/Pr-
C.
H2CO3/HCO3-
D.
H2PO4/HPO42-
查看完整题目与答案
【单选题】The most important transcendentalist in the 19th century America is
A.
Thoreau.
B.
Emerson.
C.
Hawthorne.
D.
Whitman.
查看完整题目与答案
【单选题】The most important thing you can do for a family member or friend who is depressed is to help him or her get an appropriate diagnosis and treatment. This may involve encouraging him or her to stay wit...
A.
How to Help a Depressed Lover.
B.
Where You Can Get Help to Help a Depressed Lover.
C.
The Most Important Things You Can Do to Help a Mental Illness Patient.
D.
Financial and Emotional Support for Depressed Lover.
查看完整题目与答案
【判断题】人民主权是指国家中所有人拥有国家的最高权力。
A.
正确
B.
错误
查看完整题目与答案
【多选题】The most important substances provided by pentose phosphate pathway are
A.
Glucose
B.
6-phosphoglucose
C.
5-phosphoribose
D.
NADPH ＋ H ＋
查看完整题目与答案
【单选题】In ancient times the most important examinations were spoken, not written. In the schools of ancient Greece and Rome, testing usually consisted of saying poetry aloud or giving speeches. In the Europe...
A.
took objective tests
B.
were timed by electric clocks
C.
specialized in one subject
D.
never wrote exams
查看完整题目与答案
【单选题】以下不能在Python编译环境中正确执行的表达式是：
A.
a={1,2,3,(4,5,6)}
B.
a={1,2,3,[4,5,6]}
C.
a=[1,2,3,(4,5,6)]
D.
a=(1,2,3,[4,5,6])
查看完整题目与答案
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